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f551efce36924ed58201.dll

GreyGray

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module f551efce36924ed58201.dll by GreyGray has been detected as adware by 14 anti-malware scanners. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
GreyGray  (signed and verified)

MD5:
940460c61397badb8f354b2abd33c0f3

SHA-1:
8c767c7b2fb7deaa96cb388d7225b929328ed665

SHA-256:
b71234e20094605d9fb0a3e0a49355eb1b8a9e7b7a88a2518c67d5adcf417db0

Scanner detections:
14 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/20/2024 2:41:15 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2014.11.28

Avira AntiVirus
ADWARE/BrowseFox.Gen2
7.11.189.64

AVG
GreyGray
2015.0.3277

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141128

Clam AntiVirus
Win.Adware.Browsefox-70
0.98/21511

Dr.Web
Trojan.Yontoo.115
9.0.1.05190

ESET NOD32
Win32/BrowseFox.N potentially unwanted application
7.0.302.0

IKARUS anti.virus
PUA.BrowseFox
t3scan.1.8.3.0

K7 AntiVirus
Trojan
13.186.14161

McAfee
BrowseFox
5600.6933

NANO AntiVirus
Riskware.Win32.BrowseFox.dixxoo
0.28.6.63726

Reason Heuristics
PUP.GreyGray.U
14.11.28.0

VIPRE Antivirus
Threat.4150696
35088

File size:
192.8 KB (197,400 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\greygray\bin\f551efce36924ed58201.dll

Digital Signature
Signed by:
GreyGray

Authority:
VeriSign, Inc.

Valid from:
9/19/2013 5:00:00 AM

Valid to:
9/20/2015 4:59:59 AM

Subject:
CN=GreyGray, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=GreyGray, L=San Diego, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
23FF62A16C638B371A4AB98A8F876E8B

File PE Metadata
Compilation timestamp:
11/12/2014 7:40:38 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:Iqm/7Z82CAy8+dnjJbyZi7w4VqhJj75AWT:IY2Cq2njJbyZi0CqhJ+8

Entry address:
0x115B2

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 5C, 90, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 9C, 53, 02, 10, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 34, 50, 02, 10, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 51, 53, 8B, 45, 0C, 83, C0, 0C, 89, 45, FC, 64...
 
[+]

Code size:
143.5 KB (146,944 bytes)

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